"Smart energy is a key focus for Atmel and we are delighted that we have been able to expand our smart energy solutions portfolio with this acquisition," stated Steve Laub, President and CEO, Atmel Corporation. "By offering a broader, more integrated product portfolio, existing IDT and Atmel customers now have access to a more complete and compelling suite of smart energy solutions that will enable a wider range of applications."

According to market research firm Pike Research, annual smart grid revenue will grow to $73 billion by 2020, a compound annual growth rate of over 10 percent.

About Atmel

Atmel Corporation (Nasdaq:
ATML) is a worldwide leader in the design and manufacture of microcontrollers, capacitive touch solutions, advanced logic, mixed-signal, nonvolatile memory and radio frequency (RF) components. Leveraging one of the industry's broadest intellectual property (IP) technology portfolios, Atmel is able to provide the electronics industry with complete system solutions focused on industrial, consumer, communications, computing and automotive markets.

Information in this release regarding Atmel's forecasts, business outlook, expectations, and beliefs are forward-looking statements that involve risks and uncertainties. These statements may include comments about our future operating and financial performance, including our earnings outlook beyond 2013 and the progress we may achieve with the integration of acquired products into our business plans and strategies. All forward-looking statements included in this release are based upon information available to Atmel as of the date of this release, which may change. These statements are not guarantees of future performance and actual results could differ materially from our current expectations. Factors that could cause or contribute to such differences include, without limitation, general economic conditions (including solvency issues affecting various European countries, economic slowdowns in China, and fiscal and budgetary uncertainties in the United States), the cyclical nature of the semiconductor industry; the inability to realize anticipated benefits related to our acquisition of the IDT products, restructuring activities or other initiatives in a timely manner or at all; the impact of competitive products and pricing; disruption to our business caused by our increased dependence on outside foundries, industry and/or company overcapacity or under capacity, including capacity constraints of our independent assembly contractors, timely design acceptance by our customers, timely introduction of new products and technologies, industry wide shifts in supply and demand for semiconductor products; financial stability in foreign markets and the impact of foreign exchange rates; adverse changes in tax laws, unanticipated costs and expenses or the inability to identify expenses which can be eliminated; the market price or volatility of our common stock; compliance with U.S. and international laws and regulations by us and our distributors, our ability to protect intellectual property rights, litigation (including intellectual property litigation in which we may be involved or in which our customers may be involved, especially in the mobile device sector), the possible unfavorable results of legal proceedings, and other risks detailed from time to time in Atmel's SEC reports and filings, including our Form 10-K for the year ended December 31, 2012, filed onFebruary 26, 2013 and our subsequent Form 10-Q reports. Atmel assumes no obligation and does not intend to update any forward-looking statements, whether as a result of new information, future events or otherwise.